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Questions tagged [solar]

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Can Vin of ESP handle many voltage sensors and relays?

My project is Charging Battery via Solar and Piezoelectric sensor while also getting the Realtime Voltage of the Battery, Capacitor, and Solar. I want to use Vin as the source to get 5V because ...
walter's user avatar
  • 1
-3 votes
1 answer
222 views

Using internal voltage reference for sensor

i am using 3.7~4.2V lithium battery. I am using internal voltage reference to read constant battery voltage as we know that the battery voltage level depletes overtime. The problem is that my sensor (...
electro_nooobbbb's user avatar
-1 votes
1 answer
86 views

Arduino battery capacity selection based on the current measurements

I'm sorry for this stupid question... I'm not an electronic/electric expert.. In order to select the battery capacity as well as the solar panel I'm measuring the Arduino current consumption. So, I ...
Safari's user avatar
  • 101
-1 votes
1 answer
153 views

Arduino + Solar Charger Shield V2.2: Battery and Solar panels selection [closed]

first of all I would like to apologize for the, probably very basic and stupid questions for you, but I'm not an electronic expert.. I'm implementing my project using an Arduino Mega 2560 (I need more ...
Safari's user avatar
  • 101
-3 votes
1 answer
83 views

Which Arduino board would be sufficient for the following simulink project?

I'm trying to run a Fuzzy Logic MPPT Algorithm in Arduino UNO, here's the Simulink File However when I try to upload the code, I get the following error Is this project possible with UNO, if yes, ...
Aravindh Vasu's user avatar
3 votes
0 answers
747 views

ESP32 Bluetooth Master does not connect

I want to connect an ESP32 to a SMA Sunny Boy SB5000-TL Solar convertor over Bluetooth, but I cannot establish a connection and I'm kind of stuck. I use the internal bluetooth module of the ESP32. ...
mvermand's user avatar
  • 427
1 vote
2 answers
195 views

Best way to add external power supply when main PSU is a solar charge controller?

I have a 12V 20A Solar Charge Controller (which is part of my existing Solar Panel System Setup connected to a 12V Sealed Lead Acid Battery) that I will use to power up some pumps with the help of ...
princessbubbles15's user avatar
1 vote
0 answers
496 views

Fried 2 MKR Wifi 1010 after plugging them to a solar panel

I fried 2 MKR Wifi 1010 after powering them using a solar panel. Here is the diagram: Both were working fine as long as I used the LiPo battery and/or my macbook (using USB) as power sources. They ...
Carl Levasseur's user avatar
2 votes
4 answers
917 views

Measuring solar power with an Arduino

I'm pulling together a project for my class where students build a solar panel structure/frame that moves with the sun to capture more power than if the panel were just flat on the roof. I can handle ...
user69897's user avatar
1 vote
1 answer
1k views

Why does my Wemos D1 Mini stops working while charging via solar?

I'm using an battery shield to recharge my battery. I want to use a solar panel, so I bought one (5V 240mA). I'm pretty sure, it won't recharge my battery fully, but that's not the point. I've ...
Michael Hirschler's user avatar
0 votes
1 answer
270 views

Use Low Power Arduino with Solar Panel

I am trying to create an arduino system with radio-transmitters and radio-receivers. The system runs from a rechargable battery that is charged with a solar panel. I am using a 1.1W 6V solar panel. ...
Filip's user avatar
  • 103
0 votes
1 answer
347 views

Solar powered ESP8266. WiFi module usage optimizations

Above all, I am quite new to the ESP8266 and micro controllers development as a whole. I am now working on a project which is quite simple for now. It basically looks like this: As you can see, I ...
user60623's user avatar
0 votes
2 answers
2k views

Powering Peltier using solar panels

I am a beginner to electronics and trying to make a portable air conditioner using a Peltier cooling pad (12V). I am planning on using a solar panel to power the Peltier and looking forward to your ...
Indee's user avatar
  • 23
1 vote
0 answers
42 views

Arduino Fio and Solar Pairing

I'm creating a weather station and want the station to be completely power independent. I'm using the Arduino Fio (https://www.arduino.cc/en/pmwiki.php?n=Main/ArduinoBoardFio) and have estimated the ...
noodle's user avatar
  • 11
0 votes
1 answer
2k views

Can adjustable constant current/voltage source be made with Arduino?

I would like to create a 18650 battery automatic management system that can handle and restore used up cells using solar panels for power. To do that I need to create adjustable constant current ...
Filip Franik's user avatar
  • 1,302
0 votes
1 answer
94 views

Help me determine the power consumption/rating of the circuit below? [closed]

Please help me determine the circuit's power consumption from the battery and help me outline the steps to calculate?
Walex2bad's user avatar
1 vote
2 answers
168 views

Arduino Voltage Divider

So am doing a project which involves the reading of voltage and current generated by Solar Panel. Now I learnt that Arduino cant Read Voltage directly above 5V. To read above that you need to add a ...
Mihir Joshi's user avatar
2 votes
0 answers
84 views

ADC pin shutting off on its own under certain condition

A0 pin not working when full PV system in use I am using the DFRobot Leonardo with Xbee R3. I am using the A0 pin to read a 0-5V voltage from my voltage sensor, which samples and steps down 130VDC ...
Marcus Xing Koh's user avatar
1 vote
1 answer
520 views

Undervoltage from solar panels

So i'be been toying with the idea in my head of creating a solar powered weather station with an arduino, two 6V 2W solar panels in parallel, two 5V USB battery packs, and an adafruit module which ...
patrick jackson's user avatar
7 votes
3 answers
15k views

Can you charge and use a Li-po battery at the same time?

I have a system that uses an Arduino Uno board as a "brain". All the elements in the system are powered by a single Li-po battery (3-cell, 11.1 V, 1800 mAh). I made a circuit so the Arduino ...
Miguel's user avatar
  • 118
-1 votes
2 answers
942 views

Connecting ACS 712 30A to my Solar Panel with Arduino

I am trying to connect my Solar Panel (array of 2 x 265Wp 24v panels connected in series) to my Arduino UNO R3/Nano so that I can make a current/voltage measurement system that can be connected to the ...
Cyberpks's user avatar
1 vote
3 answers
5k views

Using an Arduino as a lithium ion charge controller

I have a trinket that I'm going to be powering off of a small lithium ion battery. I was also considering adding a small solar panel to the mix, and using the solar panel to charge the battery. I'm ...
user379468's user avatar
1 vote
1 answer
772 views

Solar Power Inside a Car

I plan on making an Arduino project for reminding a parent to take a child from a car. In order to power the project I though on using a solar panel. Since I can't rely on having solar power all the ...
Ido Ran's user avatar
  • 149
1 vote
2 answers
1k views

Best practices for really long distance sensor deployments

I'm noob to Arduino and electronics, but here is a problem from life which I need to solve for myself: We grow strawberries and early spring freezes can take most of the flowers from the plants. One ...
Lanti's user avatar
  • 113
2 votes
0 answers
1k views

Sustainable power source for outdoor arduino weather station

I have been running a simple weather station composed of a Sparkfun Pro Micro (8kHz/3.3V), a DHT22 and a NRF24L01+ transceiver during the last couple of months, and I can tell you up here in Canada ...
retrography's user avatar
0 votes
2 answers
846 views

MPPT using preassembled 'adjustable' buck/boost IC

This is more of a thought experiment, as I don't know if I'll have the time to work on it. Items: Arduino Homebrew MPPT controller from Instructables LM2596 Adjustable Buck Regulator Idea: Looking ...
Boloar's user avatar
  • 25
0 votes
1 answer
2k views

Battery Solution for ESP8266 and HC-SR04

I'm working on a project that includes an ESP8266 (requires 3.3v input (250 mA peak)) and a HC-SR04 (requires 5v 20 mA peak). I'm making it battery/solar powered. I'm trying to keep costs down as ...
Paul Masek's user avatar
0 votes
1 answer
486 views

Does Anemometer consumes power?

I planning to add an anemometer to my small solar weather station. I designed this system to run from a single 3.7v rechargeable battery and a solar panel so I have to calculate in more power drain. ...
whaler2's user avatar
2 votes
2 answers
6k views

How much numerical precision can the ESP8266 achieve?

Background: I am trying to port this solar tracker code by Gabriel Miller to run on the ESP8266. Now I'm not a particularly great coder, but I'd like to give it an honest try. As of recently, the ...
Boloar's user avatar
  • 25
2 votes
1 answer
956 views

Choose the correct solar panel and battery for solar use

I am planning to build a weather station powered by solar power. I want to use an Arduino Nano because it's low power requirement. I want to connect some basic sensors to it (temperature, humidity…) ...
qwertz's user avatar
  • 251
0 votes
2 answers
476 views

Relay feedback control

I have a two-relay system set up to a DC motor. So, if I close one relay, the motor moves on one way and if I close the second relay (and open the first) the motor goes on the other direction. I ...
Urko Alonso's user avatar
1 vote
2 answers
130 views

Implementing Quasi-Perpetual Battery on Arduino

I am interested in seeing how much "uptime" I can achieve with my Arduino device/project. I am brand new to electronics/robotics, and so I wanted to bounce my idea off of this community first and see ...
smeeb's user avatar
  • 509
2 votes
1 answer
149 views

How to tell what components are compatible with Arduino Due?

I am interested in using the Arduino Due in an upcoming project, however I am worried that the other shields/components that I need will not be compatible with it, because, according to that link: ...
smeeb's user avatar
  • 509
1 vote
1 answer
147 views

What connects to Arduino Solar Shield?

I see there is an Arduino EnergyShield available, and am wondering what (specific) solar shield/panels/attachments can be used to power it. Thoughts? Bonus points if someone can explain how long the ...
smeeb's user avatar
  • 509
7 votes
1 answer
470 views

Day-night powered Arduino

What should I do to have an Arduino Pro Mini 5V (clone) powered by a 5V solar panel during the day and by battery during night which will be charged during the day by the solar panels. is there any ...
Christos Mitsis's user avatar
1 vote
1 answer
914 views

How to choose between Lithium-ion vs NiMH batteries to power Arduino on the go.

For my next project I'd like to use a battery pack to power my Arduino. I would also like to get a small solar panel and charging module to charge these batteries when possible (during the day). What ...
Phil's user avatar
  • 435
0 votes
1 answer
108 views

create a interruption-proof power

I need to create a interruption-proof power for a project of mine, very similar to the design of this link. My problem is that I need to adjust the current delivered of the solar panel (21V, 1.2A) to ...
Renato Tavares's user avatar
15 votes
2 answers
10k views

Powering Arduino with Solar Panels

Clearly, an Arduino can be powered with solar panels. What is the most optimal configuration? Can you recharge and discharge at the same time? Is LiPO the best battery cache technology, or is there ...
0xF2's user avatar
  • 542